<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<table border="1">
    <caption>个人信息</caption>
    <tr>
        <td>照片:</td><td><img id="head_img" src="head.jpg" width="50px" alt=""></td>
    </tr>
    <tr><td>名字:</td><td id="name_td">xxx</td></tr>
    <tr><td>年龄:</td><td id="age_td">xxx</td></tr>
    <tr>
        <td>好友:</td>
        <td><ul id="friend_ul"></ul></td>
    </tr>
</table>
<input type="button" value="请求数据" onclick="f()">
<script>
    function f() {
        //模拟从服务器中获取的数据
        let person = {name:"白敬亭",age:32,url:"c.jpg",friend:["王嘉尔","撒撒","何老师"]};
        //获取页面中的元素对象
        let head_img = document.querySelector("#head_img");
        let name_td = document.querySelector("#name_td");
        let age_td = document.querySelector("#age_td");
        let friend_ul = document.querySelector("#friend_ul");
        //把对象中的数据取出并复制给页面中的元素对象
        head_img.src = person.url;
        name_td.innerText = person.name;
        age_td.innerText = person.age;
        //遍历好友数组
        for (let fn of person.friend) {
            //创建li
            let li = document.createElement("li");
            li.innerText = fn;
            //将li添加到ul中
            friend_ul.append(li);
        }
    }
</script>
</body>
</html>